Design and application of base isolation system for explosive laboratory

XIONG Shi-shu; LI Hui-sheng; HUANG Li-ting; TANG Jian-she

doi:10.11883/1001-1455(2006)02-0145-05

Volume 26 Issue 2

Nov. 2014

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XIONG Shi-shu, LI Hui-sheng, HUANG Li-ting, TANG Jian-she. Design and application of base isolation system for explosive laboratory[J]. Explosion And Shock Waves, 2006, 26(2): 145-149. doi: 10.11883/1001-1455(2006)02-0145-05

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XIONG Shi-shu, LI Hui-sheng, HUANG Li-ting, TANG Jian-she. Design and application of base isolation system for explosive laboratory[J]. Explosion And Shock Waves, 2006, 26(2): 145-149. doi: 10.11883/1001-1455(2006)02-0145-05

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Design and application of base isolation system for explosive laboratory

doi: 10.11883/1001-1455(2006)02-0145-05

1.
School of Civil Engineering and Mechanics, Huazhong University of Science & Technology, Wuhan 430074, Hubei, China

Publish Date: 2006-03-25

Abstract

Abstract

A new-style vibration isolator composed of wire rope isolators and dishing springs was proposed to reconstruct an explosive laboratory's base-isolated system. The relevant base-isolating projects were presented and the assembled isolators were tested. he dynamic responses of the isolated system were nonlinearly analyzed by two-freedom model with damp. The influence of both stiffness and damp of the isolated layer on the dynamical reaction of isolated system was studied. Some parameters of the isolation system were optimized. When the isolating layer's stiffness is about 10 kN/mm and the ratio of damper is 0.20~0.35, results show that the dynamic loads in the isolating layers are the minimum and the other dynamic reactions of the isolating system satisfy the design needs. The anti-shock capability of the reconstructed laboratory increases 50%.
- mechanics of explosion,
- isolation system,
- blast shock,
- explosive laboratory,
- isolator

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